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Material Commitments (Details Textual) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Estimated Value For Inventory Purchases | $ 30,200,000 | $ 23,700,000 | |
| Operating Leases, Rent Expense | $ 1,048,000 | $ 846,000 | $ 669,000 |
| Rate Of Royalties Commited To Pay In Next Fiscal Year | 3.00% | ||
| Non Cancellable Operating Lease Expiration Period | 2017 | ||
| Rate Of Royalties Committed To Pay In Current Year | 3.50% | ||
| X | ||||||||||
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- Definition
Estimated value for inventory purchases arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier No definition available.
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| X | ||||||||||
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- Definition
Expiration period of non cancellable operating lease. No definition available.
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| X | ||||||||||
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- Definition
Percentage of royalties committed to pay in current year. No definition available.
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| X | ||||||||||
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- Definition
Percentage of royalties committed to pay in next fiscal year. No definition available.
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| X | ||||||||||
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- Definition
Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. No definition available.
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